2647839

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 16

約数和(自身を含む): 3663360

約数和(自身を除く): 1015521

約数列:

[1, 3, 47, 89, 141, 211, 267, 633, 4183, 9917, 12549, 18779, 29751, 56337, 882613, 2647839]

約数ペア:

[(1, 2647839), (3, 882613), (47, 56337), (89, 29751), (141, 18779), (211, 12549), (267, 9917), (633, 4183)]